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+//Example 3.15 The safety limit of a crane is known to be 32 tons

+clc;

+clear;

+m=0.3;

+s_d=0.2;

+n=100;

+disp(n,"Sample size =",s_d,"Standard Deviation",m,"Mean");

+disp(s_d/sqrt(n),"and Standard Deviation =",0.3,"Since the sample size n=100 is large, the sample mean follows normal distribution approx. with Mean=");

+disp(0.1587,"Probab. that mean is greater than 0.32=Area under the standard normal curve to the right of the ordinate at z=1",(0.32-m)/0.02,"The standarised value of sample mean 0.32 is ");